Route Price Intelligence
Cheap Flights From Philadelphia to Washington Dc - Dulles
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$239
Deals From
$239
Usually Costs
$239 – $259
Lowest We've Seen
$179
Based on 269 price pointshigh confidence
Monthly Price Guide
Jan
$239
Feb
—
Mar
—
Apr
$325
May
$239
Jun
$239
Jul
$239
Aug
$239
Sep
$239
Oct
$239
Nov
$239
Dec
$239
Cheapest Average Expensive
Best Time to Fly from Philadelphia to Washington Dc - Dulles
The cheapest time to fly from Philadelphia to Washington Dc - Dulles is typically October, when fares average around $239. The most expensive month tends to be April at around $325. For the best deals, consider flying in October, November, December.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: September19,515 fares analyzedTypical low: $199